/////////////////////////////////////////////////////////////////////////////
-// Name: common/fontcmn.cpp
+// Name: src/common/fontcmn.cpp
// Purpose: implementation of wxFontBase methods
// Author: Vadim Zeitlin
// Modified by:
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "fontbase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#ifndef WX_PRECOMP
#include "wx/font.h"
-#include "wx/intl.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/dc.h"
+ #include "wx/intl.h"
+ #include "wx/dcscreen.h"
#endif // WX_PRECOMP
#include "wx/gdicmn.h"
// implementation
// ============================================================================
+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
+static void AdjustFontSize(wxFont& font, wxDC& dc, const wxSize& pixelSize)
+{
+ int currentSize = 0;
+ int largestGood = 0;
+ int smallestBad = 0;
+
+ bool initialGoodFound = false;
+ bool initialBadFound = false;
+
+ // NB: this assignment was separated from the variable definition
+ // in order to fix a gcc v3.3.3 compiler crash
+ currentSize = font.GetPointSize();
+ while (currentSize > 0)
+ {
+ dc.SetFont(font);
+
+ // if currentSize (in points) results in a font that is smaller
+ // than required by pixelSize it is considered a good size
+ if (dc.GetCharHeight() <= pixelSize.GetHeight() &&
+ (!pixelSize.GetWidth() ||
+ dc.GetCharWidth() <= pixelSize.GetWidth()))
+ {
+ largestGood = currentSize;
+ initialGoodFound = true;
+ }
+ else
+ {
+ smallestBad = currentSize;
+ initialBadFound = true;
+ }
+ if (!initialGoodFound)
+ {
+ currentSize /= 2;
+ }
+ else if (!initialBadFound)
+ {
+ currentSize *= 2;
+ }
+ else
+ {
+ int distance = smallestBad - largestGood;
+ if (distance == 1)
+ break;
+
+ currentSize = largestGood + distance / 2;
+ }
+
+ font.SetPointSize(currentSize);
+ }
+
+ if (currentSize != largestGood)
+ font.SetPointSize(largestGood);
+}
+
// ----------------------------------------------------------------------------
// wxFontBase
// ----------------------------------------------------------------------------
return new wxFont(size, family, style, weight, underlined, face, encoding);
}
-/* static */
-wxFont *wxFontBase::New(int pointSize,
- wxFontFamily family,
- int flags,
- const wxString& face,
- wxFontEncoding encoding)
+static inline int flags2Style(int flags)
{
- return New
- (
- pointSize,
- family,
- flags & wxFONTFLAG_ITALIC
+ return flags & wxFONTFLAG_ITALIC
? wxFONTSTYLE_ITALIC
: flags & wxFONTFLAG_SLANT
? wxFONTSTYLE_SLANT
- : wxFONTSTYLE_NORMAL,
- flags & wxFONTFLAG_LIGHT
+ : wxFONTSTYLE_NORMAL;
+}
+
+static inline int flags2Weight(int flags)
+{
+ return flags & wxFONTFLAG_LIGHT
? wxFONTWEIGHT_LIGHT
: flags & wxFONTFLAG_BOLD
? wxFONTWEIGHT_BOLD
- : wxFONTWEIGHT_NORMAL,
- (flags & wxFONTFLAG_UNDERLINED) != 0,
- face,
- encoding
- );
+ : wxFONTWEIGHT_NORMAL;
+}
+
+static inline bool flags2Underlined(int flags)
+{
+ return (flags & wxFONTFLAG_UNDERLINED) != 0;
+}
+
+/* static */
+wxFont *wxFontBase::New(int pointSize,
+ wxFontFamily family,
+ int flags,
+ const wxString& face,
+ wxFontEncoding encoding)
+{
+ return New(pointSize, family, flags2Style(flags), flags2Weight(flags),
+ flags2Underlined(flags), face, encoding);
+}
+
+/* static */
+wxFont *wxFontBase::New(const wxSize& pixelSize,
+ int family,
+ int style,
+ int weight,
+ bool underlined,
+ const wxString& face,
+ wxFontEncoding encoding)
+{
+#if defined(__WXMSW__)
+ return new wxFont(pixelSize, family, style, weight, underlined,
+ face, encoding);
+#else
+ wxFont *self = New(10, family, style, weight, underlined, face, encoding);
+ wxScreenDC dc;
+ AdjustFontSize(*(wxFont *)self, dc, pixelSize);
+ return self;
+#endif
+}
+
+/* static */
+wxFont *wxFontBase::New(const wxSize& pixelSize,
+ wxFontFamily family,
+ int flags,
+ const wxString& face,
+ wxFontEncoding encoding)
+{
+ return New(pixelSize, family, flags2Style(flags), flags2Weight(flags),
+ flags2Underlined(flags), face, encoding);
+}
+
+wxSize wxFontBase::GetPixelSize() const
+{
+ wxScreenDC dc;
+ dc.SetFont(*(wxFont *)this);
+ return wxSize(dc.GetCharWidth(), dc.GetCharHeight());
+}
+
+bool wxFontBase::IsUsingSizeInPixels() const
+{
+ return false;
+}
+
+void wxFontBase::SetPixelSize( const wxSize& pixelSize )
+{
+ wxScreenDC dc;
+ AdjustFontSize(*(wxFont *)this, dc, pixelSize);
}
/* static */
}
}
-wxFont& wxFont::operator=(const wxFont& font)
-{
- if ( this != &font )
- Ref(font);
-
- return (wxFont &)*this;
-}
-
bool wxFontBase::operator==(const wxFont& font) const
{
// either it is the same font, i.e. they share the same common data or they
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
pointSize = (int)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
family = (wxFontFamily)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
style = (wxFontStyle)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
weight = (wxFontWeight)l;
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
underlined = l != 0;
faceName = tokenizer.GetNextToken();
#ifndef __WXMAC__
if( !faceName )
- return FALSE;
+ return false;
#endif
token = tokenizer.GetNextToken();
if ( !token.ToLong(&l) )
- return FALSE;
+ return false;
encoding = (wxFontEncoding)l;
- return TRUE;
+ return true;
}
wxString wxNativeFontInfo::ToString() const
family = wxFONTFAMILY_DEFAULT;
style = wxFONTSTYLE_NORMAL;
weight = wxFONTWEIGHT_NORMAL;
- underlined = FALSE;
+ underlined = false;
faceName.clear();
encoding = wxFONTENCODING_DEFAULT;
}
underlined = underlined_;
}
-void wxNativeFontInfo::SetFaceName(wxString facename_)
+void wxNativeFontInfo::SetFaceName(const wxString& facename_)
{
faceName = facename_;
}
wxFontEncoding enc = GetEncoding();
if ( enc != wxFONTENCODING_DEFAULT && enc != wxFONTENCODING_SYSTEM )
{
- desc << _T(' ') << wxFontMapper::Get()->GetEncodingName(enc);
+ desc << _T(' ') << wxFontMapper::GetEncodingName(enc);
}
#endif // wxUSE_FONTMAP
wxString token = tokenizer.GetNextToken();
// normalize it
- token.Trim(TRUE).Trim(FALSE).MakeLower();
+ token.Trim(true).Trim(false).MakeLower();
// look for the known tokens
if ( token == _T("underlined") || token == _("underlined") )
{
- SetUnderlined(TRUE);
+ SetUnderlined(true);
}
else if ( token == _T("light") || token == _("light") )
{
SetPointSize(size);
}
#if wxUSE_FONTMAP
- else if ( (encoding = wxFontMapper::Get()->CharsetToEncoding(token, FALSE))
+ else if ( (encoding = wxFontMapper::Get()->CharsetToEncoding(token, false))
!= wxFONTENCODING_DEFAULT )
{
SetEncoding(encoding);
SetFaceName(face);
}
- return TRUE;
+ return true;
}
#endif // generic or wxMSW or wxOS2
-
projects / wxWidgets.git / blobdiff